1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __COMMON_H_ 9 #define __COMMON_H_ 1 10 11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 12 13 typedef unsigned char uchar; 14 typedef volatile unsigned long vu_long; 15 typedef volatile unsigned short vu_short; 16 typedef volatile unsigned char vu_char; 17 18 /* Allow sharing constants with type modifiers between C and assembly. */ 19 #define _AC(X, Y) (X##Y) 20 21 #include <config.h> 22 #include <errno.h> 23 #include <time.h> 24 #include <asm-offsets.h> 25 #include <linux/bitops.h> 26 #include <linux/delay.h> 27 #include <linux/types.h> 28 #include <linux/string.h> 29 #include <linux/stringify.h> 30 #include <asm/ptrace.h> 31 #include <stdarg.h> 32 #include <linux/kernel.h> 33 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 34 #include <pci.h> 35 #endif 36 #if defined(CONFIG_8xx) 37 #include <asm/8xx_immap.h> 38 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 39 defined(CONFIG_MPC866) || \ 40 defined(CONFIG_MPC866P) 41 # define CONFIG_MPC866_FAMILY 1 42 #elif defined(CONFIG_MPC885) 43 # define CONFIG_MPC885_FAMILY 1 44 #endif 45 #if defined(CONFIG_MPC860) \ 46 || defined(CONFIG_MPC860T) \ 47 || defined(CONFIG_MPC866_FAMILY) \ 48 || defined(CONFIG_MPC885_FAMILY) 49 # define CONFIG_MPC86x 1 50 #endif 51 #elif defined(CONFIG_5xx) 52 #include <asm/5xx_immap.h> 53 #elif defined(CONFIG_MPC5xxx) 54 #include <mpc5xxx.h> 55 #elif defined(CONFIG_MPC512X) 56 #include <asm/immap_512x.h> 57 #elif defined(CONFIG_MPC8260) 58 #if defined(CONFIG_MPC8247) \ 59 || defined(CONFIG_MPC8272) 60 #define CONFIG_MPC8272_FAMILY 1 61 #endif 62 #include <asm/immap_8260.h> 63 #endif 64 #ifdef CONFIG_MPC86xx 65 #include <mpc86xx.h> 66 #include <asm/immap_86xx.h> 67 #endif 68 #ifdef CONFIG_MPC85xx 69 #include <mpc85xx.h> 70 #include <asm/immap_85xx.h> 71 #endif 72 #ifdef CONFIG_MPC83xx 73 #include <mpc83xx.h> 74 #include <asm/immap_83xx.h> 75 #endif 76 #ifdef CONFIG_4xx 77 #include <asm/ppc4xx.h> 78 #endif 79 #ifdef CONFIG_BLACKFIN 80 #include <asm/blackfin.h> 81 #endif 82 #ifdef CONFIG_SOC_DA8XX 83 #include <asm/arch/hardware.h> 84 #endif 85 #ifdef CONFIG_FSL_LSCH3 86 #include <asm/arch/immap_lsch3.h> 87 #endif 88 #ifdef CONFIG_FSL_LSCH2 89 #include <asm/arch/immap_lsch2.h> 90 #endif 91 92 #include <part.h> 93 #include <flash.h> 94 #include <image.h> 95 96 /* Bring in printf format macros if inttypes.h is included */ 97 #define __STDC_FORMAT_MACROS 98 99 #ifdef __LP64__ 100 #define CONFIG_SYS_SUPPORT_64BIT_DATA 101 #endif 102 103 #ifdef DEBUG 104 #define _DEBUG 1 105 #else 106 #define _DEBUG 0 107 #endif 108 109 #ifdef CONFIG_SPL_BUILD 110 #define _SPL_BUILD 1 111 #else 112 #define _SPL_BUILD 0 113 #endif 114 115 /* Define this at the top of a file to add a prefix to debug messages */ 116 #ifndef pr_fmt 117 #define pr_fmt(fmt) fmt 118 #endif 119 120 /* 121 * Output a debug text when condition "cond" is met. The "cond" should be 122 * computed by a preprocessor in the best case, allowing for the best 123 * optimization. 124 */ 125 #define debug_cond(cond, fmt, args...) \ 126 do { \ 127 if (cond) \ 128 printf(pr_fmt(fmt), ##args); \ 129 } while (0) 130 131 /* Show a message if DEBUG is defined in a file */ 132 #define debug(fmt, args...) \ 133 debug_cond(_DEBUG, fmt, ##args) 134 135 /* Show a message if not in SPL */ 136 #define warn_non_spl(fmt, args...) \ 137 debug_cond(!_SPL_BUILD, fmt, ##args) 138 139 /* 140 * An assertion is run-time check done in debug mode only. If DEBUG is not 141 * defined then it is skipped. If DEBUG is defined and the assertion fails, 142 * then it calls panic*( which may or may not reset/halt U-Boot (see 143 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 144 * before release, and after release it is hoped that they don't matter. But 145 * in any case these failing assertions cannot be fixed with a reset (which 146 * may just do the same assertion again). 147 */ 148 void __assert_fail(const char *assertion, const char *file, unsigned line, 149 const char *function); 150 #define assert(x) \ 151 ({ if (!(x) && _DEBUG) \ 152 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 153 154 #define error(fmt, args...) do { \ 155 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 156 ##args, __FILE__, __LINE__, __func__); \ 157 } while (0) 158 159 #ifndef BUG 160 #define BUG() do { \ 161 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 162 panic("BUG!"); \ 163 } while (0) 164 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 165 #endif /* BUG */ 166 167 typedef void (interrupt_handler_t)(void *); 168 169 #include <asm/u-boot.h> /* boot information for Linux kernel */ 170 #include <asm/global_data.h> /* global data used for startup functions */ 171 172 /* 173 * enable common handling for all TQM8xxL/M boards: 174 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 175 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 176 * and for the TQM885D board 177 */ 178 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 179 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 180 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 181 # ifndef CONFIG_TQM8xxM 182 # define CONFIG_TQM8xxM 183 # endif 184 #endif 185 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 186 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 187 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 188 defined(CONFIG_TQM885D) 189 # ifndef CONFIG_TQM8xxL 190 # define CONFIG_TQM8xxL 191 # endif 192 #endif 193 194 #if defined(CONFIG_ENV_IS_EMBEDDED) 195 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 196 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 197 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 198 defined(CONFIG_ENV_IS_IN_NVRAM) 199 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 200 #else 201 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 202 #endif 203 204 /* 205 * Function Prototypes 206 */ 207 int dram_init(void); 208 209 void hang (void) __attribute__ ((noreturn)); 210 211 int timer_init(void); 212 int cpu_init(void); 213 214 /* */ 215 phys_size_t initdram (int); 216 217 #include <display_options.h> 218 219 /* common/main.c */ 220 void main_loop (void); 221 int run_command(const char *cmd, int flag); 222 int run_command_repeatable(const char *cmd, int flag); 223 224 /** 225 * Run a list of commands separated by ; or even \0 226 * 227 * Note that if 'len' is not -1, then the command does not need to be nul 228 * terminated, Memory will be allocated for the command in that case. 229 * 230 * @param cmd List of commands to run, each separated bu semicolon 231 * @param len Length of commands excluding terminator if known (-1 if not) 232 * @param flag Execution flags (CMD_FLAG_...) 233 * @return 0 on success, or != 0 on error. 234 */ 235 int run_command_list(const char *cmd, int len, int flag); 236 237 /* arch/$(ARCH)/lib/board.c */ 238 void board_init_f(ulong); 239 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 240 241 /** 242 * ulong board_init_f_alloc_reserve - allocate reserved area 243 * 244 * This function is called by each architecture very early in the start-up 245 * code to allow the C runtime to reserve space on the stack for writable 246 * 'globals' such as GD and the malloc arena. 247 * 248 * @top: top of the reserve area, growing down. 249 * @return: bottom of reserved area 250 */ 251 ulong board_init_f_alloc_reserve(ulong top); 252 253 /** 254 * board_init_f_init_reserve - initialize the reserved area(s) 255 * 256 * This function is called once the C runtime has allocated the reserved 257 * area on the stack. It must initialize the GD at the base of that area. 258 * 259 * @base: top from which reservation was done 260 */ 261 void board_init_f_init_reserve(ulong base); 262 263 /** 264 * arch_setup_gd() - Set up the global_data pointer 265 * 266 * This pointer is special in some architectures and cannot easily be assigned 267 * to. For example on x86 it is implemented by adding a specific record to its 268 * Global Descriptor Table! So we we provide a function to carry out this task. 269 * For most architectures this can simply be: 270 * 271 * gd = gd_ptr; 272 * 273 * @gd_ptr: Pointer to global data 274 */ 275 void arch_setup_gd(gd_t *gd_ptr); 276 277 int checkboard(void); 278 int show_board_info(void); 279 int checkflash(void); 280 int checkdram(void); 281 int last_stage_init(void); 282 extern ulong monitor_flash_len; 283 int mac_read_from_eeprom(void); 284 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 285 int set_cpu_clk_info(void); 286 int mdm_init(void); 287 int print_cpuinfo(void); 288 int update_flash_size(int flash_size); 289 int arch_early_init_r(void); 290 291 /** 292 * arch_cpu_init_dm() - init CPU after driver model is available 293 * 294 * This is called immediately after driver model is available before 295 * relocation. This is similar to arch_cpu_init() but is able to reference 296 * devices 297 * 298 * @return 0 if OK, -ve on error 299 */ 300 int arch_cpu_init_dm(void); 301 302 /** 303 * Reserve all necessary stacks 304 * 305 * This is used in generic board init sequence in common/board_f.c. Each 306 * architecture could provide this function to tailor the required stacks. 307 * 308 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 309 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 310 * require only this can leave it untouched. 311 * 312 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 313 * positions of the stack. The stack pointer(s) will be set to this later. 314 * gd->irq_sp is only required, if the architecture needs it. 315 * 316 * @return 0 if no error 317 */ 318 __weak int arch_reserve_stacks(void); 319 320 /** 321 * Show the DRAM size in a board-specific way 322 * 323 * This is used by boards to display DRAM information in their own way. 324 * 325 * @param size Size of DRAM (which should be displayed along with other info) 326 */ 327 void board_show_dram(phys_size_t size); 328 329 /** 330 * arch_fixup_fdt() - Write arch-specific information to fdt 331 * 332 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 333 * 334 * @blob: FDT blob to write to 335 * @return 0 if ok, or -ve FDT_ERR_... on failure 336 */ 337 int arch_fixup_fdt(void *blob); 338 339 /* common/flash.c */ 340 void flash_perror (int); 341 342 /* common/cmd_source.c */ 343 int source (ulong addr, const char *fit_uname); 344 345 extern ulong load_addr; /* Default Load Address */ 346 extern ulong save_addr; /* Default Save Address */ 347 extern ulong save_size; /* Default Save Size */ 348 349 /* common/cmd_net.c */ 350 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 351 352 /* common/cmd_fat.c */ 353 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 354 355 /* common/cmd_ext2.c */ 356 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 357 358 /* common/cmd_nvedit.c */ 359 int env_init (void); 360 void env_relocate (void); 361 int envmatch (uchar *, int); 362 363 /* Avoid unfortunate conflict with libc's getenv() */ 364 #ifdef CONFIG_SANDBOX 365 #define getenv uboot_getenv 366 #endif 367 char *getenv (const char *); 368 int getenv_f (const char *name, char *buf, unsigned len); 369 ulong getenv_ulong(const char *name, int base, ulong default_val); 370 371 /** 372 * getenv_hex() - Return an environment variable as a hex value 373 * 374 * Decode an environment as a hex number (it may or may not have a 0x 375 * prefix). If the environment variable cannot be found, or does not start 376 * with hex digits, the default value is returned. 377 * 378 * @varname: Variable to decode 379 * @default_val: Value to return on error 380 */ 381 ulong getenv_hex(const char *varname, ulong default_val); 382 383 /* 384 * Read an environment variable as a boolean 385 * Return -1 if variable does not exist (default to true) 386 */ 387 int getenv_yesno(const char *var); 388 int saveenv (void); 389 int setenv (const char *, const char *); 390 int setenv_ulong(const char *varname, ulong value); 391 int setenv_hex(const char *varname, ulong value); 392 /** 393 * setenv_addr - Set an environment variable to an address in hex 394 * 395 * @varname: Environment variable to set 396 * @addr: Value to set it to 397 * @return 0 if ok, 1 on error 398 */ 399 static inline int setenv_addr(const char *varname, const void *addr) 400 { 401 return setenv_hex(varname, (ulong)addr); 402 } 403 404 #ifdef CONFIG_ARM 405 # include <asm/mach-types.h> 406 # include <asm/setup.h> 407 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 408 #endif /* CONFIG_ARM */ 409 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 410 # include <asm/u-boot-x86.h> 411 #endif /* CONFIG_X86 */ 412 #ifdef CONFIG_SANDBOX 413 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 414 #endif 415 #ifdef CONFIG_NDS32 416 # include <asm/mach-types.h> 417 # include <asm/setup.h> 418 # include <asm/u-boot-nds32.h> 419 #endif /* CONFIG_NDS32 */ 420 #ifdef CONFIG_MIPS 421 # include <asm/u-boot-mips.h> 422 #endif /* CONFIG_MIPS */ 423 #ifdef CONFIG_ARC 424 # include <asm/u-boot-arc.h> 425 #endif /* CONFIG_ARC */ 426 427 #ifdef CONFIG_AUTO_COMPLETE 428 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 429 #endif 430 int get_env_id (void); 431 432 void pci_init (void); 433 void pci_init_board(void); 434 435 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 436 int pci_pre_init (struct pci_controller *); 437 int is_pci_host (struct pci_controller *); 438 #endif 439 440 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 441 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 442 void pci_target_init (struct pci_controller *); 443 # endif 444 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 445 void pci_master_init (struct pci_controller *); 446 # endif 447 #if defined(CONFIG_440SPE) || \ 448 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 449 defined(CONFIG_405EX) 450 void pcie_setup_hoses(int busno); 451 #endif 452 #endif 453 454 int misc_init_f (void); 455 int misc_init_r (void); 456 457 /* common/exports.c */ 458 void jumptable_init(void); 459 460 /* common/kallsysm.c */ 461 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 462 463 /* api/api.c */ 464 void api_init (void); 465 466 /* common/memsize.c */ 467 long get_ram_size (long *, long); 468 phys_size_t get_effective_memsize(void); 469 470 /* $(BOARD)/$(BOARD).c */ 471 void reset_phy (void); 472 void fdc_hw_init (void); 473 474 /* $(BOARD)/eeprom.c */ 475 void eeprom_init (int bus); 476 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 477 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 479 /* 480 * Set this up regardless of board 481 * type, to prevent errors. 482 */ 483 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 484 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 485 #else 486 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 487 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 488 #endif 489 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 490 491 #if defined(CONFIG_SPI) 492 extern void spi_init_f (void); 493 extern void spi_init_r (void); 494 extern ssize_t spi_read (uchar *, int, uchar *, int); 495 extern ssize_t spi_write (uchar *, int, uchar *, int); 496 #endif 497 498 /* $(BOARD)/$(BOARD).c */ 499 int board_early_init_f (void); 500 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 501 int board_late_init (void); 502 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 503 int board_early_init_r (void); 504 void board_poweroff (void); 505 506 #if defined(CONFIG_SYS_DRAM_TEST) 507 int testdram(void); 508 #endif /* CONFIG_SYS_DRAM_TEST */ 509 510 /* $(CPU)/start.S */ 511 #if defined(CONFIG_5xx) || \ 512 defined(CONFIG_8xx) 513 uint get_immr (uint); 514 #endif 515 #if defined(CONFIG_MPC5xxx) 516 uint get_svr (void); 517 #endif 518 uint get_pvr (void); 519 uint get_svr (void); 520 uint rd_ic_cst (void); 521 void wr_ic_cst (uint); 522 void wr_ic_adr (uint); 523 uint rd_dc_cst (void); 524 void wr_dc_cst (uint); 525 void wr_dc_adr (uint); 526 int icache_status (void); 527 void icache_enable (void); 528 void icache_disable(void); 529 int dcache_status (void); 530 void dcache_enable (void); 531 void dcache_disable(void); 532 void mmu_disable(void); 533 #if defined(CONFIG_ARM) 534 void relocate_code(ulong); 535 #else 536 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 537 #endif 538 ulong get_endaddr (void); 539 void trap_init (ulong); 540 #if defined (CONFIG_4xx) || \ 541 defined (CONFIG_MPC5xxx) || \ 542 defined (CONFIG_MPC85xx) || \ 543 defined (CONFIG_MPC86xx) || \ 544 defined (CONFIG_MPC83xx) 545 unsigned char in8(unsigned int); 546 void out8(unsigned int, unsigned char); 547 unsigned short in16(unsigned int); 548 unsigned short in16r(unsigned int); 549 void out16(unsigned int, unsigned short value); 550 void out16r(unsigned int, unsigned short value); 551 unsigned long in32(unsigned int); 552 unsigned long in32r(unsigned int); 553 void out32(unsigned int, unsigned long value); 554 void out32r(unsigned int, unsigned long value); 555 void ppcDcbf(unsigned long value); 556 void ppcDcbi(unsigned long value); 557 void ppcSync(void); 558 void ppcDcbz(unsigned long value); 559 #endif 560 #if defined (CONFIG_MICROBLAZE) 561 unsigned short in16(unsigned int); 562 void out16(unsigned int, unsigned short value); 563 #endif 564 565 #if defined (CONFIG_MPC83xx) 566 void ppcDWload(unsigned int *addr, unsigned int *ret); 567 void ppcDWstore(unsigned int *addr, unsigned int *value); 568 void disable_addr_trans(void); 569 void enable_addr_trans(void); 570 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 571 void ddr_enable_ecc(unsigned int dram_size); 572 #endif 573 #endif 574 575 /* $(CPU)/cpu.c */ 576 static inline int cpumask_next(int cpu, unsigned int mask) 577 { 578 for (cpu++; !((1 << cpu) & mask); cpu++) 579 ; 580 581 return cpu; 582 } 583 584 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 585 for (iter = 0, cpu = cpumask_next(-1, mask); \ 586 iter < num_cpus; \ 587 iter++, cpu = cpumask_next(cpu, mask)) \ 588 589 int cpu_numcores (void); 590 int cpu_num_dspcores(void); 591 u32 cpu_mask (void); 592 u32 cpu_dsp_mask(void); 593 int is_core_valid (unsigned int); 594 595 /** 596 * arch_cpu_init() - basic cpu-dependent setup for an architecture 597 * 598 * This is called after early malloc is available. It should handle any 599 * CPU- or SoC- specific init needed to continue the init sequence. See 600 * board_f.c for where it is called. If this is not provided, a default 601 * version (which does nothing) will be used. 602 */ 603 int arch_cpu_init(void); 604 605 int checkcpu (void); 606 int checkicache (void); 607 int checkdcache (void); 608 void upmconfig (unsigned int, unsigned int *, unsigned int); 609 ulong get_tbclk (void); 610 void reset_misc (void); 611 void reset_cpu (ulong addr); 612 void ft_cpu_setup(void *blob, bd_t *bd); 613 void ft_pci_setup(void *blob, bd_t *bd); 614 615 void smp_set_core_boot_addr(unsigned long addr, int corenr); 616 void smp_kick_all_cpus(void); 617 618 /* $(CPU)/serial.c */ 619 int serial_init (void); 620 void serial_setbrg (void); 621 void serial_putc (const char); 622 void serial_putc_raw(const char); 623 void serial_puts (const char *); 624 int serial_getc (void); 625 int serial_tstc (void); 626 627 /* These versions take a stdio_dev pointer */ 628 struct stdio_dev; 629 int serial_stub_getc(struct stdio_dev *sdev); 630 int serial_stub_tstc(struct stdio_dev *sdev); 631 632 /* $(CPU)/speed.c */ 633 int get_clocks (void); 634 int get_clocks_866 (void); 635 int sdram_adjust_866 (void); 636 int adjust_sdram_tbs_8xx (void); 637 #if defined(CONFIG_MPC8260) 638 int prt_8260_clks (void); 639 #elif defined(CONFIG_MPC5xxx) 640 int prt_mpc5xxx_clks (void); 641 #endif 642 #ifdef CONFIG_4xx 643 ulong get_OPB_freq (void); 644 ulong get_PCI_freq (void); 645 #endif 646 #if defined(CONFIG_S3C24X0) || \ 647 defined(CONFIG_LH7A40X) || \ 648 defined(CONFIG_EP93XX) 649 ulong get_FCLK (void); 650 ulong get_HCLK (void); 651 ulong get_PCLK (void); 652 ulong get_UCLK (void); 653 #endif 654 #if defined(CONFIG_LH7A40X) 655 ulong get_PLLCLK (void); 656 #endif 657 #if defined(CONFIG_IMX) 658 ulong get_systemPLLCLK(void); 659 ulong get_FCLK(void); 660 ulong get_HCLK(void); 661 ulong get_BCLK(void); 662 ulong get_PERCLK1(void); 663 ulong get_PERCLK2(void); 664 ulong get_PERCLK3(void); 665 #endif 666 ulong get_bus_freq (ulong); 667 int get_serial_clock(void); 668 669 #if defined(CONFIG_MPC85xx) 670 typedef MPC85xx_SYS_INFO sys_info_t; 671 void get_sys_info ( sys_info_t * ); 672 void ft_fixup_cpu(void *, u64); 673 void ft_fixup_num_cores(void *); 674 #endif 675 #if defined(CONFIG_MPC86xx) 676 typedef MPC86xx_SYS_INFO sys_info_t; 677 void get_sys_info ( sys_info_t * ); 678 static inline ulong get_ddr_freq(ulong dummy) 679 { 680 return get_bus_freq(dummy); 681 } 682 #else 683 ulong get_ddr_freq(ulong); 684 #endif 685 686 #if defined(CONFIG_4xx) 687 # if defined(CONFIG_440) 688 # if defined(CONFIG_440SPE) 689 unsigned long determine_sysper(void); 690 unsigned long determine_pci_clock_per(void); 691 # endif 692 # endif 693 typedef PPC4xx_SYS_INFO sys_info_t; 694 int ppc440spe_revB(void); 695 void get_sys_info ( sys_info_t * ); 696 #endif 697 698 /* $(CPU)/cpu_init.c */ 699 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 700 void cpu_init_f (volatile immap_t *immr); 701 #endif 702 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 703 void cpu_init_f (void); 704 #endif 705 #ifdef CONFIG_MPC85xx 706 ulong cpu_init_f(void); 707 #endif 708 709 int cpu_init_r (void); 710 #if defined(CONFIG_MPC8260) 711 int prt_8260_rsr (void); 712 #elif defined(CONFIG_MPC83xx) 713 int prt_83xx_rsr (void); 714 #endif 715 716 /* $(CPU)/interrupts.c */ 717 int interrupt_init (void); 718 void timer_interrupt (struct pt_regs *); 719 void external_interrupt (struct pt_regs *); 720 void irq_install_handler(int, interrupt_handler_t *, void *); 721 void irq_free_handler (int); 722 void reset_timer (void); 723 724 /* Return value of monotonic microsecond timer */ 725 unsigned long timer_get_us(void); 726 727 void enable_interrupts (void); 728 int disable_interrupts (void); 729 730 /* $(CPU)/.../commproc.c */ 731 int dpram_init (void); 732 uint dpram_base(void); 733 uint dpram_base_align(uint align); 734 uint dpram_alloc(uint size); 735 uint dpram_alloc_align(uint size,uint align); 736 void bootcount_store (ulong); 737 ulong bootcount_load (void); 738 #define BOOTCOUNT_MAGIC 0xB001C041 739 740 /* $(CPU)/.../<eth> */ 741 void mii_init (void); 742 743 /* $(CPU)/.../lcd.c */ 744 ulong lcd_setmem (ulong); 745 746 /* $(CPU)/.../video.c */ 747 ulong video_setmem (ulong); 748 749 /* arch/$(ARCH)/lib/cache.c */ 750 void enable_caches(void); 751 void flush_cache (unsigned long, unsigned long); 752 void flush_dcache_all(void); 753 void flush_dcache_range(unsigned long start, unsigned long stop); 754 void invalidate_dcache_range(unsigned long start, unsigned long stop); 755 void invalidate_dcache_all(void); 756 void invalidate_icache_all(void); 757 758 enum { 759 /* Disable caches (else flush caches but leave them active) */ 760 CBL_DISABLE_CACHES = 1 << 0, 761 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 762 763 CBL_ALL = 3, 764 }; 765 766 /** 767 * Clean up ready for linux 768 * 769 * @param flags Flags to control what is done 770 */ 771 int cleanup_before_linux_select(int flags); 772 773 /* arch/$(ARCH)/lib/ticks.S */ 774 uint64_t get_ticks(void); 775 void wait_ticks (unsigned long); 776 777 /* arch/$(ARCH)/lib/time.c */ 778 ulong usec2ticks (unsigned long usec); 779 ulong ticks2usec (unsigned long ticks); 780 int init_timebase (void); 781 782 /* lib/gunzip.c */ 783 int gunzip(void *, int, unsigned char *, unsigned long *); 784 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 785 int stoponerr, int offset); 786 787 /** 788 * gzwrite progress indicators: defined weak to allow board-specific 789 * overrides: 790 * 791 * gzwrite_progress_init called on startup 792 * gzwrite_progress called during decompress/write loop 793 * gzwrite_progress_finish called at end of loop to 794 * indicate success (retcode=0) or failure 795 */ 796 void gzwrite_progress_init(u64 expected_size); 797 798 void gzwrite_progress(int iteration, 799 u64 bytes_written, 800 u64 total_bytes); 801 802 void gzwrite_progress_finish(int retcode, 803 u64 totalwritten, 804 u64 totalsize, 805 u32 expected_crc, 806 u32 calculated_crc); 807 808 /** 809 * decompress and write gzipped image from memory to block device 810 * 811 * @param src compressed image address 812 * @param len compressed image length in bytes 813 * @param dev block device descriptor 814 * @param szwritebuf bytes per write (pad to erase size) 815 * @param startoffs offset in bytes of first write 816 * @param szexpected expected uncompressed length 817 * may be zero to use gzip trailer 818 * for files under 4GiB 819 */ 820 int gzwrite(unsigned char *src, int len, 821 struct blk_desc *dev, 822 unsigned long szwritebuf, 823 u64 startoffs, 824 u64 szexpected); 825 826 /* lib/lz4_wrapper.c */ 827 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 828 829 /* lib/qsort.c */ 830 void qsort(void *base, size_t nmemb, size_t size, 831 int(*compar)(const void *, const void *)); 832 int strcmp_compar(const void *, const void *); 833 834 /* lib/uuid.c */ 835 #include <uuid.h> 836 837 /* lib/vsprintf.c */ 838 #include <vsprintf.h> 839 840 /* lib/strmhz.c */ 841 char * strmhz(char *buf, unsigned long hz); 842 843 /* lib/crc32.c */ 844 #include <u-boot/crc.h> 845 846 /* lib/rand.c */ 847 #define RAND_MAX -1U 848 void srand(unsigned int seed); 849 unsigned int rand(void); 850 unsigned int rand_r(unsigned int *seedp); 851 852 /* 853 * STDIO based functions (can always be used) 854 */ 855 /* serial stuff */ 856 int serial_printf (const char *fmt, ...) 857 __attribute__ ((format (__printf__, 1, 2))); 858 /* stdin */ 859 int getc(void); 860 int tstc(void); 861 862 /* stdout */ 863 #if !defined(CONFIG_SPL_BUILD) || \ 864 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 865 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 866 defined(CONFIG_SPL_SERIAL_SUPPORT)) 867 void putc(const char c); 868 void puts(const char *s); 869 int printf(const char *fmt, ...) 870 __attribute__ ((format (__printf__, 1, 2))); 871 int vprintf(const char *fmt, va_list args); 872 #else 873 #define putc(...) do { } while (0) 874 #define puts(...) do { } while (0) 875 #define printf(...) do { } while (0) 876 #define vprintf(...) do { } while (0) 877 #endif 878 879 /* stderr */ 880 #define eputc(c) fputc(stderr, c) 881 #define eputs(s) fputs(stderr, s) 882 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 883 884 /* 885 * FILE based functions (can only be used AFTER relocation!) 886 */ 887 #define stdin 0 888 #define stdout 1 889 #define stderr 2 890 #define MAX_FILES 3 891 892 int fprintf(int file, const char *fmt, ...) 893 __attribute__ ((format (__printf__, 2, 3))); 894 void fputs(int file, const char *s); 895 void fputc(int file, const char c); 896 int ftstc(int file); 897 int fgetc(int file); 898 899 /* lib/gzip.c */ 900 int gzip(void *dst, unsigned long *lenp, 901 unsigned char *src, unsigned long srclen); 902 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 903 unsigned long srclen, int stoponerr, 904 int (*func)(unsigned long, unsigned long)); 905 906 /* lib/net_utils.c */ 907 #include <net.h> 908 static inline struct in_addr getenv_ip(char *var) 909 { 910 return string_to_ip(getenv(var)); 911 } 912 913 int pcmcia_init (void); 914 915 #ifdef CONFIG_LED_STATUS 916 # include <status_led.h> 917 #endif 918 919 #include <bootstage.h> 920 921 #ifdef CONFIG_SHOW_ACTIVITY 922 void show_activity(int arg); 923 #endif 924 925 /* Multicore arch functions */ 926 #ifdef CONFIG_MP 927 int cpu_status(int nr); 928 int cpu_reset(int nr); 929 int cpu_disable(int nr); 930 int cpu_release(int nr, int argc, char * const argv[]); 931 #endif 932 933 #else /* __ASSEMBLY__ */ 934 935 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 936 #define _AC(X, Y) X 937 938 #endif /* __ASSEMBLY__ */ 939 940 #ifdef CONFIG_PPC 941 /* 942 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 943 * Otherwise might lead to compilation errors in assembler files. 944 */ 945 #include <asm/cache.h> 946 #endif 947 948 /* Put only stuff here that the assembler can digest */ 949 950 /* Declare an unsigned long constant digestable both by C and an assembler. */ 951 #define UL(x) _AC(x, UL) 952 953 #ifdef CONFIG_POST 954 #define CONFIG_HAS_POST 955 #ifndef CONFIG_POST_ALT_LIST 956 #define CONFIG_POST_STD_LIST 957 #endif 958 #endif 959 960 #ifdef CONFIG_INIT_CRITICAL 961 #error CONFIG_INIT_CRITICAL is deprecated! 962 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 963 #endif 964 965 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 966 967 /* 968 * check_member() - Check the offset of a structure member 969 * 970 * @structure: Name of structure (e.g. global_data) 971 * @member: Name of member (e.g. baudrate) 972 * @offset: Expected offset in bytes 973 */ 974 #define check_member(structure, member, offset) _Static_assert( \ 975 offsetof(struct structure, member) == offset, \ 976 "`struct " #structure "` offset for `" #member "` is not " #offset) 977 978 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 979 #ifdef CONFIG_EFI_STUB 980 #define ll_boot_init() false 981 #else 982 #define ll_boot_init() true 983 #endif 984 985 /* Pull in stuff for the build system */ 986 #ifdef DO_DEPS_ONLY 987 # include <environment.h> 988 #endif 989 990 #endif /* __COMMON_H_ */ 991